diff options
Diffstat (limited to 'packages/pipeline/src/parsers')
-rw-r--r-- | packages/pipeline/src/parsers/bloxy/index.ts | 53 | ||||
-rw-r--r-- | packages/pipeline/src/parsers/ddex_orders/index.ts | 77 | ||||
-rw-r--r-- | packages/pipeline/src/parsers/events/index.ts | 133 | ||||
-rw-r--r-- | packages/pipeline/src/parsers/ohlcv_external/crypto_compare.ts | 38 | ||||
-rw-r--r-- | packages/pipeline/src/parsers/paradex_orders/index.ts | 66 | ||||
-rw-r--r-- | packages/pipeline/src/parsers/relayer_registry/index.ts | 37 | ||||
-rw-r--r-- | packages/pipeline/src/parsers/sra_orders/index.ts | 62 | ||||
-rw-r--r-- | packages/pipeline/src/parsers/token_metadata/index.ts | 47 | ||||
-rw-r--r-- | packages/pipeline/src/parsers/web3/index.ts | 49 |
9 files changed, 562 insertions, 0 deletions
diff --git a/packages/pipeline/src/parsers/bloxy/index.ts b/packages/pipeline/src/parsers/bloxy/index.ts new file mode 100644 index 000000000..caa55d289 --- /dev/null +++ b/packages/pipeline/src/parsers/bloxy/index.ts @@ -0,0 +1,53 @@ +import { BigNumber } from '@0x/utils'; +import * as R from 'ramda'; + +import { BLOXY_DEX_TRADES_URL, BloxyTrade } from '../../data_sources/bloxy'; +import { DexTrade } from '../../entities'; + +/** + * Parses a raw trades response from the Bloxy Dex API and returns an array of + * DexTrade entities. + * @param rawTrades A raw order response from an SRA endpoint. + */ +export function parseBloxyTrades(rawTrades: BloxyTrade[]): DexTrade[] { + return R.map(_parseBloxyTrade, rawTrades); +} + +/** + * Converts a single Bloxy trade into a DexTrade entity. + * @param rawTrade A single trade from the response from the Bloxy API. + */ +export function _parseBloxyTrade(rawTrade: BloxyTrade): DexTrade { + const dexTrade = new DexTrade(); + dexTrade.sourceUrl = BLOXY_DEX_TRADES_URL; + dexTrade.txHash = rawTrade.tx_hash; + dexTrade.txTimestamp = new Date(rawTrade.tx_time).getTime(); + dexTrade.txDate = rawTrade.tx_date; + dexTrade.txSender = rawTrade.tx_sender; + dexTrade.smartContractId = rawTrade.smart_contract_id; + dexTrade.smartContractAddress = rawTrade.smart_contract_address; + dexTrade.contractType = rawTrade.contract_type; + dexTrade.maker = rawTrade.maker; + dexTrade.taker = rawTrade.taker; + // TODO(albrow): The Bloxy API returns amounts and fees as a `number` type + // but some of their values have too many significant digits to be + // represented that way. Ideally they will switch to using strings and then + // we can update this code. + dexTrade.amountBuy = new BigNumber(rawTrade.amountBuy.toString()); + dexTrade.makerFeeAmount = new BigNumber(rawTrade.makerFee.toString()); + dexTrade.buyCurrencyId = rawTrade.buyCurrencyId; + dexTrade.buySymbol = filterNullCharacters(rawTrade.buySymbol); + dexTrade.amountSell = new BigNumber(rawTrade.amountSell.toString()); + dexTrade.takerFeeAmount = new BigNumber(rawTrade.takerFee.toString()); + dexTrade.sellCurrencyId = rawTrade.sellCurrencyId; + dexTrade.sellSymbol = filterNullCharacters(rawTrade.sellSymbol); + dexTrade.makerAnnotation = rawTrade.maker_annotation; + dexTrade.takerAnnotation = rawTrade.taker_annotation; + dexTrade.protocol = rawTrade.protocol; + dexTrade.buyAddress = rawTrade.buyAddress; + dexTrade.sellAddress = rawTrade.sellAddress; + return dexTrade; +} + +// Works with any form of escaped null character (e.g., '\0' and '\u0000'). +const filterNullCharacters = R.replace(/\0/g, ''); diff --git a/packages/pipeline/src/parsers/ddex_orders/index.ts b/packages/pipeline/src/parsers/ddex_orders/index.ts new file mode 100644 index 000000000..81132e8f0 --- /dev/null +++ b/packages/pipeline/src/parsers/ddex_orders/index.ts @@ -0,0 +1,77 @@ +import { BigNumber } from '@0x/utils'; +import * as R from 'ramda'; + +import { DdexMarket, DdexOrder, DdexOrderbook } from '../../data_sources/ddex'; +import { TokenOrderbookSnapshot as TokenOrder } from '../../entities'; +import { OrderType } from '../../types'; + +/** + * Marque function of this file. + * 1) Takes in orders from an orderbook, + * other information attached. + * @param ddexOrderbook A raw orderbook that we pull from the Ddex API. + * @param ddexMarket An object containing market data also directly from the API. + * @param observedTimestamp Time at which the orders for the market were pulled. + * @param source The exchange where these orders are placed. In this case 'ddex'. + */ +export function parseDdexOrders( + ddexOrderbook: DdexOrderbook, + ddexMarket: DdexMarket, + observedTimestamp: number, + source: string, +): TokenOrder[] { + const aggregatedBids = aggregateOrders(ddexOrderbook.bids); + const aggregatedAsks = aggregateOrders(ddexOrderbook.asks); + const parsedBids = aggregatedBids.map(order => parseDdexOrder(ddexMarket, observedTimestamp, 'bid', source, order)); + const parsedAsks = aggregatedAsks.map(order => parseDdexOrder(ddexMarket, observedTimestamp, 'ask', source, order)); + return parsedBids.concat(parsedAsks); +} + +/** + * Aggregates orders by price point for consistency with other exchanges. + * Querying the Ddex API at level 3 setting returns a breakdown of + * individual orders at each price point. Other exchanges only give total amount + * at each price point. Returns an array of <price, amount> tuples. + * @param ddexOrders A list of Ddex orders awaiting aggregation. + */ +export function aggregateOrders(ddexOrders: DdexOrder[]): Array<[string, BigNumber]> { + const sumAmount = (acc: BigNumber, order: DdexOrder): BigNumber => acc.plus(order.amount); + const aggregatedPricePoints = R.reduceBy(sumAmount, new BigNumber(0), R.prop('price'), ddexOrders); + return Object.entries(aggregatedPricePoints); +} + +/** + * Parse a single aggregated Ddex order in order to form a tokenOrder entity + * which can be saved into the database. + * @param ddexMarket An object containing information about the market where these + * trades have been placed. + * @param observedTimestamp The time when the API response returned back to us. + * @param orderType 'bid' or 'ask' enum. + * @param source Exchange where these orders were placed. + * @param ddexOrder A <price, amount> tuple which we will convert to volume-basis. + */ +export function parseDdexOrder( + ddexMarket: DdexMarket, + observedTimestamp: number, + orderType: OrderType, + source: string, + ddexOrder: [string, BigNumber], +): TokenOrder { + const tokenOrder = new TokenOrder(); + const price = new BigNumber(ddexOrder[0]); + const amount = ddexOrder[1]; + + tokenOrder.source = source; + tokenOrder.observedTimestamp = observedTimestamp; + tokenOrder.orderType = orderType; + tokenOrder.price = price; + + tokenOrder.baseAssetSymbol = ddexMarket.baseToken; + tokenOrder.baseAssetAddress = ddexMarket.baseTokenAddress; + tokenOrder.baseVolume = price.times(amount); + + tokenOrder.quoteAssetSymbol = ddexMarket.quoteToken; + tokenOrder.quoteAssetAddress = ddexMarket.quoteTokenAddress; + tokenOrder.quoteVolume = amount; + return tokenOrder; +} diff --git a/packages/pipeline/src/parsers/events/index.ts b/packages/pipeline/src/parsers/events/index.ts new file mode 100644 index 000000000..e18106c75 --- /dev/null +++ b/packages/pipeline/src/parsers/events/index.ts @@ -0,0 +1,133 @@ +import { ExchangeCancelEventArgs, ExchangeCancelUpToEventArgs, ExchangeFillEventArgs } from '@0x/contract-wrappers'; +import { assetDataUtils } from '@0x/order-utils'; +import { AssetProxyId, ERC721AssetData } from '@0x/types'; +import { LogWithDecodedArgs } from 'ethereum-types'; +import * as R from 'ramda'; + +import { ExchangeCancelEvent, ExchangeCancelUpToEvent, ExchangeFillEvent } from '../../entities'; +import { bigNumbertoStringOrNull } from '../../utils'; + +/** + * Parses raw event logs for a fill event and returns an array of + * ExchangeFillEvent entities. + * @param eventLogs Raw event logs (e.g. returned from contract-wrappers). + */ +export const parseExchangeFillEvents: ( + eventLogs: Array<LogWithDecodedArgs<ExchangeFillEventArgs>>, +) => ExchangeFillEvent[] = R.map(_convertToExchangeFillEvent); + +/** + * Parses raw event logs for a cancel event and returns an array of + * ExchangeCancelEvent entities. + * @param eventLogs Raw event logs (e.g. returned from contract-wrappers). + */ +export const parseExchangeCancelEvents: ( + eventLogs: Array<LogWithDecodedArgs<ExchangeCancelEventArgs>>, +) => ExchangeCancelEvent[] = R.map(_convertToExchangeCancelEvent); + +/** + * Parses raw event logs for a CancelUpTo event and returns an array of + * ExchangeCancelUpToEvent entities. + * @param eventLogs Raw event logs (e.g. returned from contract-wrappers). + */ +export const parseExchangeCancelUpToEvents: ( + eventLogs: Array<LogWithDecodedArgs<ExchangeCancelUpToEventArgs>>, +) => ExchangeCancelUpToEvent[] = R.map(_convertToExchangeCancelUpToEvent); + +/** + * Converts a raw event log for a fill event into an ExchangeFillEvent entity. + * @param eventLog Raw event log (e.g. returned from contract-wrappers). + */ +export function _convertToExchangeFillEvent(eventLog: LogWithDecodedArgs<ExchangeFillEventArgs>): ExchangeFillEvent { + const makerAssetData = assetDataUtils.decodeAssetDataOrThrow(eventLog.args.makerAssetData); + const makerAssetType = makerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + const takerAssetData = assetDataUtils.decodeAssetDataOrThrow(eventLog.args.takerAssetData); + const takerAssetType = takerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + const exchangeFillEvent = new ExchangeFillEvent(); + exchangeFillEvent.contractAddress = eventLog.address as string; + exchangeFillEvent.blockNumber = eventLog.blockNumber as number; + exchangeFillEvent.logIndex = eventLog.logIndex as number; + exchangeFillEvent.rawData = eventLog.data as string; + exchangeFillEvent.transactionHash = eventLog.transactionHash; + exchangeFillEvent.makerAddress = eventLog.args.makerAddress; + exchangeFillEvent.takerAddress = eventLog.args.takerAddress; + exchangeFillEvent.feeRecipientAddress = eventLog.args.feeRecipientAddress; + exchangeFillEvent.senderAddress = eventLog.args.senderAddress; + exchangeFillEvent.makerAssetFilledAmount = eventLog.args.makerAssetFilledAmount; + exchangeFillEvent.takerAssetFilledAmount = eventLog.args.takerAssetFilledAmount; + exchangeFillEvent.makerFeePaid = eventLog.args.makerFeePaid; + exchangeFillEvent.takerFeePaid = eventLog.args.takerFeePaid; + exchangeFillEvent.orderHash = eventLog.args.orderHash; + exchangeFillEvent.rawMakerAssetData = eventLog.args.makerAssetData; + exchangeFillEvent.makerAssetType = makerAssetType; + exchangeFillEvent.makerAssetProxyId = makerAssetData.assetProxyId; + exchangeFillEvent.makerTokenAddress = makerAssetData.tokenAddress; + // tslint has a false positive here. Type assertion is required. + // tslint:disable-next-line:no-unnecessary-type-assertion + exchangeFillEvent.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId); + exchangeFillEvent.rawTakerAssetData = eventLog.args.takerAssetData; + exchangeFillEvent.takerAssetType = takerAssetType; + exchangeFillEvent.takerAssetProxyId = takerAssetData.assetProxyId; + exchangeFillEvent.takerTokenAddress = takerAssetData.tokenAddress; + // tslint:disable-next-line:no-unnecessary-type-assertion + exchangeFillEvent.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId); + return exchangeFillEvent; +} + +/** + * Converts a raw event log for a cancel event into an ExchangeCancelEvent + * entity. + * @param eventLog Raw event log (e.g. returned from contract-wrappers). + */ +export function _convertToExchangeCancelEvent( + eventLog: LogWithDecodedArgs<ExchangeCancelEventArgs>, +): ExchangeCancelEvent { + const makerAssetData = assetDataUtils.decodeAssetDataOrThrow(eventLog.args.makerAssetData); + const makerAssetType = makerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + const takerAssetData = assetDataUtils.decodeAssetDataOrThrow(eventLog.args.takerAssetData); + const takerAssetType = takerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + const exchangeCancelEvent = new ExchangeCancelEvent(); + exchangeCancelEvent.contractAddress = eventLog.address as string; + exchangeCancelEvent.blockNumber = eventLog.blockNumber as number; + exchangeCancelEvent.logIndex = eventLog.logIndex as number; + exchangeCancelEvent.rawData = eventLog.data as string; + exchangeCancelEvent.transactionHash = eventLog.transactionHash; + exchangeCancelEvent.makerAddress = eventLog.args.makerAddress; + exchangeCancelEvent.takerAddress = eventLog.args.takerAddress; + exchangeCancelEvent.feeRecipientAddress = eventLog.args.feeRecipientAddress; + exchangeCancelEvent.senderAddress = eventLog.args.senderAddress; + exchangeCancelEvent.orderHash = eventLog.args.orderHash; + exchangeCancelEvent.rawMakerAssetData = eventLog.args.makerAssetData; + exchangeCancelEvent.makerAssetType = makerAssetType; + exchangeCancelEvent.makerAssetProxyId = makerAssetData.assetProxyId; + exchangeCancelEvent.makerTokenAddress = makerAssetData.tokenAddress; + // tslint:disable-next-line:no-unnecessary-type-assertion + exchangeCancelEvent.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId); + exchangeCancelEvent.rawTakerAssetData = eventLog.args.takerAssetData; + exchangeCancelEvent.takerAssetType = takerAssetType; + exchangeCancelEvent.takerAssetProxyId = takerAssetData.assetProxyId; + exchangeCancelEvent.takerTokenAddress = takerAssetData.tokenAddress; + // tslint:disable-next-line:no-unnecessary-type-assertion + exchangeCancelEvent.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId); + return exchangeCancelEvent; +} + +/** + * Converts a raw event log for a cancelUpTo event into an + * ExchangeCancelUpToEvent entity. + * @param eventLog Raw event log (e.g. returned from contract-wrappers). + */ +export function _convertToExchangeCancelUpToEvent( + eventLog: LogWithDecodedArgs<ExchangeCancelUpToEventArgs>, +): ExchangeCancelUpToEvent { + const exchangeCancelUpToEvent = new ExchangeCancelUpToEvent(); + exchangeCancelUpToEvent.contractAddress = eventLog.address as string; + exchangeCancelUpToEvent.blockNumber = eventLog.blockNumber as number; + exchangeCancelUpToEvent.logIndex = eventLog.logIndex as number; + exchangeCancelUpToEvent.rawData = eventLog.data as string; + exchangeCancelUpToEvent.transactionHash = eventLog.transactionHash; + exchangeCancelUpToEvent.makerAddress = eventLog.args.makerAddress; + exchangeCancelUpToEvent.senderAddress = eventLog.args.senderAddress; + exchangeCancelUpToEvent.orderEpoch = eventLog.args.orderEpoch; + return exchangeCancelUpToEvent; +} diff --git a/packages/pipeline/src/parsers/ohlcv_external/crypto_compare.ts b/packages/pipeline/src/parsers/ohlcv_external/crypto_compare.ts new file mode 100644 index 000000000..3efb90384 --- /dev/null +++ b/packages/pipeline/src/parsers/ohlcv_external/crypto_compare.ts @@ -0,0 +1,38 @@ +import { CryptoCompareOHLCVRecord } from '../../data_sources/ohlcv_external/crypto_compare'; +import { OHLCVExternal } from '../../entities'; + +const ONE_SECOND = 1000; // Crypto Compare uses timestamps in seconds instead of milliseconds + +export interface OHLCVMetadata { + exchange: string; + fromSymbol: string; + toSymbol: string; + source: string; + observedTimestamp: number; + interval: number; +} +/** + * Parses OHLCV records from Crypto Compare into an array of OHLCVExternal entities + * @param rawRecords an array of OHLCV records from Crypto Compare (not the full response) + */ +export function parseRecords(rawRecords: CryptoCompareOHLCVRecord[], metadata: OHLCVMetadata): OHLCVExternal[] { + return rawRecords.map(rec => { + const ohlcvRecord = new OHLCVExternal(); + ohlcvRecord.exchange = metadata.exchange; + ohlcvRecord.fromSymbol = metadata.fromSymbol; + ohlcvRecord.toSymbol = metadata.toSymbol; + ohlcvRecord.startTime = rec.time * ONE_SECOND - metadata.interval; + ohlcvRecord.endTime = rec.time * ONE_SECOND; + + ohlcvRecord.open = rec.open; + ohlcvRecord.close = rec.close; + ohlcvRecord.low = rec.low; + ohlcvRecord.high = rec.high; + ohlcvRecord.volumeFrom = rec.volumefrom; + ohlcvRecord.volumeTo = rec.volumeto; + + ohlcvRecord.source = metadata.source; + ohlcvRecord.observedTimestamp = metadata.observedTimestamp; + return ohlcvRecord; + }); +} diff --git a/packages/pipeline/src/parsers/paradex_orders/index.ts b/packages/pipeline/src/parsers/paradex_orders/index.ts new file mode 100644 index 000000000..7966658a7 --- /dev/null +++ b/packages/pipeline/src/parsers/paradex_orders/index.ts @@ -0,0 +1,66 @@ +import { BigNumber } from '@0x/utils'; + +import { ParadexMarket, ParadexOrder, ParadexOrderbookResponse } from '../../data_sources/paradex'; +import { TokenOrderbookSnapshot as TokenOrder } from '../../entities'; +import { OrderType } from '../../types'; + +/** + * Marque function of this file. + * 1) Takes in orders from an orderbook (orders are already aggregated by price point), + * 2) For each aggregated order, forms a TokenOrder entity with market data and + * other information attached. + * @param paradexOrderbookResponse An orderbook response from the Paradex API. + * @param paradexMarket An object containing market data also directly from the API. + * @param observedTimestamp Time at which the orders for the market were pulled. + * @param source The exchange where these orders are placed. In this case 'paradex'. + */ +export function parseParadexOrders( + paradexOrderbookResponse: ParadexOrderbookResponse, + paradexMarket: ParadexMarket, + observedTimestamp: number, + source: string, +): TokenOrder[] { + const parsedBids = paradexOrderbookResponse.bids.map(order => + parseParadexOrder(paradexMarket, observedTimestamp, 'bid', source, order), + ); + const parsedAsks = paradexOrderbookResponse.asks.map(order => + parseParadexOrder(paradexMarket, observedTimestamp, 'ask', source, order), + ); + return parsedBids.concat(parsedAsks); +} + +/** + * Parse a single aggregated Ddex order in order to form a tokenOrder entity + * which can be saved into the database. + * @param paradexMarket An object containing information about the market where these + * orders have been placed. + * @param observedTimestamp The time when the API response returned back to us. + * @param orderType 'bid' or 'ask' enum. + * @param source Exchange where these orders were placed. + * @param paradexOrder A ParadexOrder object; basically price, amount tuple. + */ +export function parseParadexOrder( + paradexMarket: ParadexMarket, + observedTimestamp: number, + orderType: OrderType, + source: string, + paradexOrder: ParadexOrder, +): TokenOrder { + const tokenOrder = new TokenOrder(); + const price = new BigNumber(paradexOrder.price); + const amount = new BigNumber(paradexOrder.amount); + + tokenOrder.source = source; + tokenOrder.observedTimestamp = observedTimestamp; + tokenOrder.orderType = orderType; + tokenOrder.price = price; + + tokenOrder.baseAssetSymbol = paradexMarket.baseToken; + tokenOrder.baseAssetAddress = paradexMarket.baseTokenAddress as string; + tokenOrder.baseVolume = price.times(amount); + + tokenOrder.quoteAssetSymbol = paradexMarket.quoteToken; + tokenOrder.quoteAssetAddress = paradexMarket.quoteTokenAddress as string; + tokenOrder.quoteVolume = amount; + return tokenOrder; +} diff --git a/packages/pipeline/src/parsers/relayer_registry/index.ts b/packages/pipeline/src/parsers/relayer_registry/index.ts new file mode 100644 index 000000000..9723880a4 --- /dev/null +++ b/packages/pipeline/src/parsers/relayer_registry/index.ts @@ -0,0 +1,37 @@ +import * as R from 'ramda'; + +import { RelayerResponse, RelayerResponseNetwork } from '../../data_sources/relayer-registry'; +import { Relayer } from '../../entities'; + +/** + * Parses a raw relayer registry response into an array of Relayer entities. + * @param rawResp raw response from the relayer-registry json file. + */ +export function parseRelayers(rawResp: Map<string, RelayerResponse>): Relayer[] { + const parsedAsObject = R.mapObjIndexed(parseRelayer, rawResp); + return R.values(parsedAsObject); +} + +function parseRelayer(relayerResp: RelayerResponse, uuid: string): Relayer { + const relayer = new Relayer(); + relayer.uuid = uuid; + relayer.name = relayerResp.name; + relayer.homepageUrl = relayerResp.homepage_url; + relayer.appUrl = relayerResp.app_url; + const mainNetworkRelayerInfo = getMainNetwork(relayerResp); + if (mainNetworkRelayerInfo !== undefined) { + relayer.sraHttpEndpoint = mainNetworkRelayerInfo.sra_http_endpoint || null; + relayer.sraWsEndpoint = mainNetworkRelayerInfo.sra_ws_endpoint || null; + relayer.feeRecipientAddresses = + R.path(['static_order_fields', 'fee_recipient_addresses'], mainNetworkRelayerInfo) || []; + relayer.takerAddresses = R.path(['static_order_fields', 'taker_addresses'], mainNetworkRelayerInfo) || []; + } else { + relayer.feeRecipientAddresses = []; + relayer.takerAddresses = []; + } + return relayer; +} + +function getMainNetwork(relayerResp: RelayerResponse): RelayerResponseNetwork | undefined { + return R.find(network => network.networkId === 1, relayerResp.networks); +} diff --git a/packages/pipeline/src/parsers/sra_orders/index.ts b/packages/pipeline/src/parsers/sra_orders/index.ts new file mode 100644 index 000000000..ef8901e40 --- /dev/null +++ b/packages/pipeline/src/parsers/sra_orders/index.ts @@ -0,0 +1,62 @@ +import { APIOrder, OrdersResponse } from '@0x/connect'; +import { assetDataUtils, orderHashUtils } from '@0x/order-utils'; +import { AssetProxyId, ERC721AssetData } from '@0x/types'; +import * as R from 'ramda'; + +import { SraOrder } from '../../entities'; +import { bigNumbertoStringOrNull } from '../../utils'; + +/** + * Parses a raw order response from an SRA endpoint and returns an array of + * SraOrder entities. + * @param rawOrdersResponse A raw order response from an SRA endpoint. + */ +export function parseSraOrders(rawOrdersResponse: OrdersResponse): SraOrder[] { + return R.map(_convertToEntity, rawOrdersResponse.records); +} + +/** + * Converts a single APIOrder into an SraOrder entity. + * @param apiOrder A single order from the response from an SRA endpoint. + */ +export function _convertToEntity(apiOrder: APIOrder): SraOrder { + // TODO(albrow): refactor out common asset data decoding code. + const makerAssetData = assetDataUtils.decodeAssetDataOrThrow(apiOrder.order.makerAssetData); + const makerAssetType = makerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + const takerAssetData = assetDataUtils.decodeAssetDataOrThrow(apiOrder.order.takerAssetData); + const takerAssetType = takerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + + const sraOrder = new SraOrder(); + sraOrder.exchangeAddress = apiOrder.order.exchangeAddress; + sraOrder.orderHashHex = orderHashUtils.getOrderHashHex(apiOrder.order); + + sraOrder.makerAddress = apiOrder.order.makerAddress; + sraOrder.takerAddress = apiOrder.order.takerAddress; + sraOrder.feeRecipientAddress = apiOrder.order.feeRecipientAddress; + sraOrder.senderAddress = apiOrder.order.senderAddress; + sraOrder.makerAssetAmount = apiOrder.order.makerAssetAmount; + sraOrder.takerAssetAmount = apiOrder.order.takerAssetAmount; + sraOrder.makerFee = apiOrder.order.makerFee; + sraOrder.takerFee = apiOrder.order.takerFee; + sraOrder.expirationTimeSeconds = apiOrder.order.expirationTimeSeconds; + sraOrder.salt = apiOrder.order.salt; + sraOrder.signature = apiOrder.order.signature; + + sraOrder.rawMakerAssetData = apiOrder.order.makerAssetData; + sraOrder.makerAssetType = makerAssetType; + sraOrder.makerAssetProxyId = makerAssetData.assetProxyId; + sraOrder.makerTokenAddress = makerAssetData.tokenAddress; + // tslint has a false positive here. Type assertion is required. + // tslint:disable-next-line:no-unnecessary-type-assertion + sraOrder.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId); + sraOrder.rawTakerAssetData = apiOrder.order.takerAssetData; + sraOrder.takerAssetType = takerAssetType; + sraOrder.takerAssetProxyId = takerAssetData.assetProxyId; + sraOrder.takerTokenAddress = takerAssetData.tokenAddress; + // tslint:disable-next-line:no-unnecessary-type-assertion + sraOrder.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId); + + sraOrder.metadataJson = JSON.stringify(apiOrder.metaData); + + return sraOrder; +} diff --git a/packages/pipeline/src/parsers/token_metadata/index.ts b/packages/pipeline/src/parsers/token_metadata/index.ts new file mode 100644 index 000000000..f258af063 --- /dev/null +++ b/packages/pipeline/src/parsers/token_metadata/index.ts @@ -0,0 +1,47 @@ +import { BigNumber } from '@0x/utils'; +import * as R from 'ramda'; + +import { MetamaskTrustedTokenMeta, ZeroExTrustedTokenMeta } from '../../data_sources/trusted_tokens'; +import { TokenMetadata } from '../../entities'; +import {} from '../../utils'; + +/** + * Parses Metamask's trusted tokens list. + * @param rawResp raw response from the metamask json file. + */ +export function parseMetamaskTrustedTokens(rawResp: Map<string, MetamaskTrustedTokenMeta>): TokenMetadata[] { + const parsedAsObject = R.mapObjIndexed(parseMetamaskTrustedToken, rawResp); + return R.values(parsedAsObject); +} + +/** + * Parses 0x's trusted tokens list. + * @param rawResp raw response from the 0x trusted tokens file. + */ +export function parseZeroExTrustedTokens(rawResp: ZeroExTrustedTokenMeta[]): TokenMetadata[] { + return R.map(parseZeroExTrustedToken, rawResp); +} + +function parseMetamaskTrustedToken(resp: MetamaskTrustedTokenMeta, address: string): TokenMetadata { + const trustedToken = new TokenMetadata(); + + trustedToken.address = address; + trustedToken.decimals = new BigNumber(resp.decimals); + trustedToken.symbol = resp.symbol; + trustedToken.name = resp.name; + trustedToken.authority = 'metamask'; + + return trustedToken; +} + +function parseZeroExTrustedToken(resp: ZeroExTrustedTokenMeta): TokenMetadata { + const trustedToken = new TokenMetadata(); + + trustedToken.address = resp.address; + trustedToken.decimals = resp.decimals ? new BigNumber(resp.decimals) : null; + trustedToken.symbol = resp.symbol; + trustedToken.name = resp.name; + trustedToken.authority = '0x'; + + return trustedToken; +} diff --git a/packages/pipeline/src/parsers/web3/index.ts b/packages/pipeline/src/parsers/web3/index.ts new file mode 100644 index 000000000..f986efc59 --- /dev/null +++ b/packages/pipeline/src/parsers/web3/index.ts @@ -0,0 +1,49 @@ +import { BigNumber } from '@0x/utils'; +import { BlockWithoutTransactionData, Transaction as EthTransaction } from 'ethereum-types'; + +import { Block, Transaction } from '../../entities'; + +const MILLISECONDS_PER_SECOND = 1000; + +/** + * Parses a raw block and returns a Block entity. + * @param rawBlock a raw block (e.g. returned from web3-wrapper). + */ +export function parseBlock(rawBlock: BlockWithoutTransactionData): Block { + if (rawBlock.hash == null) { + throw new Error('Tried to parse raw block but hash was null'); + } + if (rawBlock.number == null) { + throw new Error('Tried to parse raw block but number was null'); + } + + const block = new Block(); + block.hash = rawBlock.hash; + block.number = rawBlock.number; + // Block timestamps are in seconds, but we use milliseconds everywhere else. + block.timestamp = rawBlock.timestamp * MILLISECONDS_PER_SECOND; + return block; +} + +/** + * Parses a raw transaction and returns a Transaction entity. + * @param rawBlock a raw transaction (e.g. returned from web3-wrapper). + */ +export function parseTransaction(rawTransaction: EthTransaction): Transaction { + if (rawTransaction.blockHash == null) { + throw new Error('Tried to parse raw transaction but blockHash was null'); + } + if (rawTransaction.blockNumber == null) { + throw new Error('Tried to parse raw transaction but blockNumber was null'); + } + + const tx = new Transaction(); + tx.transactionHash = rawTransaction.hash; + tx.blockHash = rawTransaction.blockHash; + tx.blockNumber = rawTransaction.blockNumber; + + tx.gasUsed = new BigNumber(rawTransaction.gas); + tx.gasPrice = rawTransaction.gasPrice; + + return tx; +} |